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*040  $aNO-TrBIB$bnob$ekatreg
*24500$aSharpening sharpe ratios$cWilliam Goetzmann ... [et al.]
*260  $aCambridge, Mass.$bNational Bureau of Economic Research$c2002
*300  $a42 s.$bill.
*4901 $aWorking paper series / National Bureau of Economic Research$v9116
*7001 $aGoetzmann, William$0(NO-TrBIB)2096905$_70117900
*830 0$aWorking paper series (National Bureau of Economic Research : trykt utg.)$x0898-2937$v9116$w999105437124702201$_13074900
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^